code: def setUp(self):
      super(KerasInputsTest, self).setUp()
      (
          context_feature_columns,
          example_feature_columns,
          _,
      ) = _get_feature_columns()
      self._context_feature_columns = context_feature_columns
      self._example_feature_columns = example_feature_columns
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import six
  import tensorflow.compat.v2
  from tensorflow_ranking.python.keras import feature
label_desc: Use image node_id 1 for calling the KerasInputsTest obj's underlying member method code with example usage: obj.setUp() without return types